python - 如何在 Ubuntu 14.04 中安装 pyv8？

Question

我安装了libv8和libboost-all-devUbuntu 软件包，然后运行

sudo pip install pyv8

并得到：

building '_PyV8' extension

creating build/temp.linux-x86_64-2.7

creating build/temp.linux-x86_64-2.7/src

x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -DBOOST_PYTHON_STATIC_LIB -Ilib/python/inc -Ilib/boost/inc -Ilib/v8/inc -I/usr/include/python2.7 -c src/Exception.cpp -o build/temp.linux-x86_64-2.7/src/Exception.o

cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ [enabled by default]

src/Exception.cpp: In static member function ‘static void ExceptionTranslator::Construct(PyObject*, boost::python::converter::rvalue_from_python_stage1_data*)’:

src/Exception.cpp:207:25: warning: unused variable ‘cpp_err’ [-Wunused-variable]

   CJavascriptException* cpp_err =

                         ^

x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -DBOOST_PYTHON_STATIC_LIB -Ilib/python/inc -Ilib/boost/inc -Ilib/v8/inc -I/usr/include/python2.7 -c src/Context.cpp -o build/temp.linux-x86_64-2.7/src/Context.o

cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ [enabled by default]

In file included from src/Context.h:7:0,

                 from src/Context.cpp:1:

src/Wrapper.h: In member function ‘const boost::python::api::object& CJavascriptArray::ArrayIterator::dereference() const’:

src/Wrapper.h:115:66: warning: returning reference to temporary [-Wreturn-local-addr]

     reference dereference() const { return m_array->GetItem(m_idx); }

                                                                  ^

x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -DBOOST_PYTHON_STATIC_LIB -Ilib/python/inc -Ilib/boost/inc -Ilib/v8/inc -I/usr/include/python2.7 -c src/Engine.cpp -o build/temp.linux-x86_64-2.7/src/Engine.o

cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ [enabled by default]

In file included from src/Context.h:7:0,

                 from src/Engine.h:7,

                 from src/Engine.cpp:1:

src/Wrapper.h: In member function ‘const boost::python::api::object& CJavascriptArray::ArrayIterator::dereference() const’:

src/Wrapper.h:115:66: warning: returning reference to temporary [-Wreturn-local-addr]

     reference dereference() const { return m_array->GetItem(m_idx); }

                                                                  ^

x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -DBOOST_PYTHON_STATIC_LIB -Ilib/python/inc -Ilib/boost/inc -Ilib/v8/inc -I/usr/include/python2.7 -c src/Wrapper.cpp -o build/temp.linux-x86_64-2.7/src/Wrapper.o

cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ [enabled by default]

In file included from src/Wrapper.cpp:1:0:

src/Wrapper.h: In member function ‘const boost::python::api::object& CJavascriptArray::ArrayIterator::dereference() const’:

src/Wrapper.h:115:66: warning: returning reference to temporary [-Wreturn-local-addr]

     reference dereference() const { return m_array->GetItem(m_idx); }

                                                                  ^

src/Wrapper.cpp: In static member function ‘static v8::Handle<v8::Boolean> CPythonObject::IndexedDeleter(uint32_t, const v8::AccessorInfo&)’:

src/Wrapper.cpp:256:25: warning: variable ‘value’ set but not used [-Wunused-but-set-variable]

   v8::Handle<v8::Value> value = IndexedGetter(index, info);

                         ^

src/Wrapper.cpp: In static member function ‘static void CPythonObject::SetupObjectTemplate(v8::Handle<v8::ObjectTemplate>)’:

src/Wrapper.cpp:311:84: error: invalid conversion from ‘v8::Handle<v8::Boolean> (*)(v8::Local<v8::String>, const v8::AccessorInfo&)’ to ‘v8::NamedPropertyQuery {aka v8::Handle<v8::Integer> (*)(v8::Local<v8::String>, const v8::AccessorInfo&)}’ [-fpermissive]

   clazz->SetNamedPropertyHandler(NamedGetter, NamedSetter, NamedQuery, NamedDeleter);

                                                                                    ^

In file included from src/Exception.h:6:0,

                 from src/Wrapper.h:8,

                 from src/Wrapper.cpp:1:

/usr/include/v8.h:2414:8: error:   initializing argument 3 of ‘void v8::ObjectTemplate::SetNamedPropertyHandler(v8::NamedPropertyGetter, v8::NamedPropertySetter, v8::NamedPropertyQuery, v8::NamedPropertyDeleter, v8::NamedPropertyEnumerator, v8::Handle<v8::Value>)’ [-fpermissive]

   void SetNamedPropertyHandler(NamedPropertyGetter getter,

        ^

src/Wrapper.cpp:312:94: error: invalid conversion from ‘v8::Handle<v8::Boolean> (*)(uint32_t, const v8::AccessorInfo&) {aka v8::Handle<v8::Boolean> (*)(unsigned int, const v8::AccessorInfo&)}’ to ‘v8::IndexedPropertyQuery {aka v8::Handle<v8::Integer> (*)(unsigned int, const v8::AccessorInfo&)}’ [-fpermissive]

   clazz->SetIndexedPropertyHandler(IndexedGetter, IndexedSetter, IndexedQuery, IndexedDeleter);

                                                                                              ^

In file included from src/Exception.h:6:0,

                 from src/Wrapper.h:8,

                 from src/Wrapper.cpp:1:

/usr/include/v8.h:2437:8: error:   initializing argument 3 of ‘void v8::ObjectTemplate::SetIndexedPropertyHandler(v8::IndexedPropertyGetter, v8::IndexedPropertySetter, v8::IndexedPropertyQuery, v8::IndexedPropertyDeleter, v8::IndexedPropertyEnumerator, v8::Handle<v8::Value>)’ [-fpermissive]

   void SetIndexedPropertyHandler(IndexedPropertyGetter getter,

        ^

error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

----------------------------------------
Cleaning up...
Command /usr/bin/python -c "import setuptools, tokenize;__file__='/tmp/pip_build_root/pyv8/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-JQHgTo-record/install-record.txt --single-version-externally-managed --compile failed with error code 1 in /tmp/pip_build_root/pyv8
Traceback (most recent call last):
  File "/usr/bin/pip", line 9, in <module>
    load_entry_point('pip==1.5.4', 'console_scripts', 'pip')()
  File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 235, in main
    return command.main(cmd_args)
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 161, in main
    text = '\n'.join(complete_log)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 42: ordinal not in range(128)

怎么了？我该如何解决？

score 2 · Accepted Answer

为了解决这个问题，我不得不删除我尝试过的一些 Ubuntu 软件包：

$ sudo apt-get purge libv8-3.14.5 libv8-dev

然后，从 subversion 签出 PyV8

$ svn checkout http://pyv8.googlecode.com/svn/trunk/ pyv8-read-only

setup.py 脚本负责获取和构建 V8 的兼容版本：

$ cd pyv8-read-only
$ python setup.py build
$ sudo python setup.py install

score 2 · Accepted Answer

要使用 pip 从源代码构建，您可以运行：

pip install svn+http://pyv8.googlecode.com/svn/trunk/

或使用传单（似乎是作者）迁移的 github 存储库：

pip install git+https://github.com/flier/pyv8.git

score 2 · Accepted Answer

我在尝试安装 PyV8 时遇到了几个不同的错误。我没有试图深入挖掘为什么会发生不同的错误。我使用的是 Ubuntu 16.04 64 位版本。

我按照以下说明进行操作

sudo apt-get install libboost-all-dev
sudo apt-get install build-essential autoconf libtool pkg-config python-opengl python-imaging python-pyrex python-pyside.qtopengl idle-python2.7 qt4-dev-tools qt4-designer libqtgui4 libqtcore4 libqt4-xml libqt4-test libqt4-script libqt4-network libqt4-dbus python-qt4 python-qt4-gl libgle3 python-dev
sudo easy_install greenlet
sudo easy_install gevent
git clone https://github.com/buffer/pyv8.git
cd pyv8
sudo python setup.py build
sudo python setup.py install

并且能够安装和使用 PyV8

该指令可在此处找到 - https://github.com/buffer/thug/issues/170#issuecomment-225762492

希望这可以帮助。

score 1 · Accepted Answer

我使用本指南安装“PyV8”：Importing PyV8 Engine into Python 2.7，这对我来说很简单：）

score 1 · Accepted Answer

在基于 Debian 的发行版上安装 PyV8：

cd /usr/share

sudo git clone https://github.com/emmetio/pyv8-binaries.git

cd pyv8-二进制文件/

sudo 解压 pyv8-linux64.zip

sudo cp -a PyV8.py _PyV8.so /usr/bin

python - 如何在 Ubuntu 14.04 中安装 pyv8？

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